With optimal forming technology and ERW(Electric Resistance Welding) method, the pipe with outside diameter less than 92mm
High strength, extremely thick(up to T/OD=25%, Sch.160) steel pipes
Eddy Current Testing(ECT), non-destructive testing guarantees weld ability
Steering Shaft, Rack Bar, Tie Rod, Axle Housing, Door Impact Beam, Propeller Shaft, etc.
Hydraulic machine, Machine parts; Cylinder rod, Bush, and Roll, etc.
Electric, electronic goods(mainly by applying Cold Rolled Coil); Comp case of Air Conditioner, etc.
a. KS D 3517 ;STKM, JIS G 3445; STKM, JIS G 3472;STAM
b. KS D 3507(SPP), D3562(SPPS380), D3631(SPPG) JIS G 3542(SGP), JIS G 3454(STPG), ASTM A53A, ASTM A795
Outside Diameter : Ø27.2 ~ Ø92.5, 21A~80A
Steel Type : HR, PO, CR
Thickness : 1.5mm~9.0mm, SCH#5~#160
Application: high pressure service
Tensile strength N/mm2
Yield Strength N/mm2
Tolerance on OD
Tolerance on WT
Tolerance on wall thickness deviation
Hot-Finished seamless steel pipe
20% or under
>50, ≤160mm ±1%
Cold-Finished seamless steel pipe
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